"Moral" argument against gay or lesbian sex on the grounds that "the parts don't fit", as though bodies were supposed to be parts of a jigsaw.
Rome and Topeka have chimed in again with their discussion on how the seam line doesn't match up. More jigsaw morality.
Oops ... I just realised, our parts don't fit, umm, let's call it off. Hey, hold on, I know ... wanna go bowling?